18103883

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1191

約数の個数: 16

約数和(自身を含む): 21580800

約数和(自身を除く): 3476917

約数列:

[1, 7, 47, 49, 329, 343, 1123, 2303, 7861, 16121, 52781, 55027, 369467, 385189, 2586269, 18103883]

約数ペア:

[(1, 18103883), (7, 2586269), (47, 385189), (49, 369467), (329, 55027), (343, 52781), (1123, 16121), (2303, 7861)]